| article html file updated | 18 August 2026 19:04 CEST | Update | https://www.mdpi.com/2227-9059/9/2/109 |
| article html file updated | 1 September 2025 19:25 CEST | Update | N/A |
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| article html file updated | 25 February 2021 03:39 CET | Update | N/A |
| article pdf uploaded. | 25 February 2021 03:38 CET | Updated version of record | https://www.mdpi.com/2227-9059/9/2/109/pdf |
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| article html file updated | 26 January 2021 05:20 CET | Original file | N/A |
| article pdf uploaded. | 26 January 2021 05:19 CET | Updated version of record | https://www.mdpi.com/2227-9059/9/2/109/pdf-vor |
| article xml uploaded. | 26 January 2021 05:19 CET | Update | N/A |
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| article pdf uploaded. | 22 January 2021 13:02 CET | Version of Record | https://www.mdpi.com/2227-9059/9/2/109/pdf-vor |
